I think people incorrectly pronounced it as such for years. The implication is that it is of Irish origin.  I mean come on he's from Boston ...but in fact it is a Slavic name from Poland or Lithuania.
 -------------- Original message ----------------------
From: "Stewart Mason" <craigtorso@verizon.net>
> You know, for some reason all these years I thought it was pronounced 
> "Oh-KAY-sek."  Go figure.
> 
> S
>